Science

The observable universe is estimated to be 13.8 billion years old.

It is located in the Local Group of Galaxies.

Graphene can be used in the biomedical field for diagnostic purposes.

In 2008, there was a violent snowstorm in Afghanistan.

Snow crystals were first photographed in 1879.

In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.

The atmospheric pressure at the surface is 146.7 kPa (1.5 bars), which makes it 45% higher than on Earth.

The largest impact crater on the surface of Phobos is called Stickney, its diameter is up to 10 kilometers.

The other side of the Moon is called the far side, not the "dark side" as some say, because each part of our satellite is darkened for exactly the same period.

Fungi live in symbiosis with microorganisms, higher plants (Embryophyte) and animals.